package com.hzb.springcloud.alibaba.controller;

import com.alibaba.csp.sentinel.annotation.SentinelResource;
import com.alibaba.csp.sentinel.slots.block.BlockException;
import com.hzb.springcloud.alibaba.myhander.CustomerBlockHandler;
import com.hzb.springcloud.entities.CommonResult;
import com.hzb.springcloud.entities.Payment;
import lombok.extern.slf4j.Slf4j;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;

/**
 * description: RateLimitController <br>
 * date: 2020/8/14 16:29 <br>
 * author: huangZB <br>
 * version: 1.0 <br>
 */
@RestController
@Slf4j
public class RateLimitController {

    @GetMapping(value = "/byResource")
    @SentinelResource(value = "byResource",blockHandler = "handleException")
    public CommonResult byResource(){

        return new CommonResult(200,"按资源名称限流测试OK",new Payment("2020L","serial001"));
    }

    public CommonResult handleException(BlockException exception)
    {
        return new CommonResult(444,exception.getClass().getCanonicalName()+"\t 服务不可用");
    }

    @GetMapping("/rateLimit/byUrl")
    @SentinelResource(value = "byUrl")
    public CommonResult byUrl()
    {
        return new CommonResult(200,"按url限流测试OK",new Payment("2020L","serial002"));
    }

    @GetMapping("/rateLimit/customerBlockHandler")
    @SentinelResource(value = "customerBlockHandler",
            blockHandlerClass = CustomerBlockHandler.class,
            blockHandler = "handlerException")
    public CommonResult customerBlockHandler()
    {
        return new CommonResult(200,"按客戶自定义",new Payment("2020L","serial003"));
    }
}
